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Eric Hahl's Avatar
 
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911R sound from a 3.2?

I'm curious if its possible to get the type of sound from a 911R out of my 3.2. I currently have SSI's and a sport muffler that sounds pretty good but honestly, I want it raw and loud, lol.

I noticed M&K makes these:


and this:


Does anyone have any sound clips with either of these mounted to SSI's on a 3.2?

Any advice?
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Eric Hahl
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Old 09-03-2015, 09:46 AM
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https://www.youtube.com/watch?v=Y5wrUN47rhw

Found this clip with that muffler.


And this one:
https://www.youtube.com/watch?v=dCgi0g4Llrg

I have the old GLH premuffler and muffler on my 3.0 and it sounds louder than both of these imo. I kinda love running it up to redline hopping on to the freeway on the way to work. Ear to ear grin!
alas, i don't have a sound clip of it yet.
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Last edited by pampadori; 09-03-2015 at 12:17 PM..
Old 09-03-2015, 10:10 AM
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If you want that sound, you need to make some big changes which are not inexpensive.

A 906/RSR sounds like that due to camshaft profile, compression ratio, headers and megaphones. Racing exhausts like that work from 5K+ to 8K+ and simply kill power below 4K.

Not good at for any street cars.

Don't shoot yourself in the foot by installing a pair of race mufflers without a balance tube; stick to a dual-in/dual-out sport muffler of choice.


Naturally, JMHO.
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Old 09-03-2015, 12:57 PM
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Steve, I knew I could count on you for "sound" advice. Thanks.

Sent from my XT1254 using Tapatalk
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Eric Hahl
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Old 09-03-2015, 01:42 PM
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You are trying to copy a small high reving motor with a 3,2. Not sure if that is possible. But a two in two out factory style sport muffler with headers may be close.
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Old 09-03-2015, 02:49 PM
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Quote:
Originally Posted by Trackrash View Post
You are trying to copy a small high reving motor with a 3,2. Not sure if that is possible. But a two in two out factory style sport muffler with headers may be close.
Its possible (I've done it for 35+ years), however the engine configuration requires substantial changes and some of them can prevent smog compliance.

Unless one is willing to spend a good deal of money, adding a GOOD sport muffler will get you as close as possible.
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Old 09-03-2015, 02:58 PM
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Smog compliance, what's that? my car is of an age that it doesn't need to be run through the sniffers anymore

Sent from my XT1254 using Tapatalk
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Old 09-03-2015, 03:02 PM
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I like the sound of a 3.2
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Old 09-03-2015, 03:11 PM
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Headers and 2in 2out m&k. I think I'm one of the few that thought it still wasn't loud enough. Shelved the m&k and went with this for a while. Now it's loud
Old 09-03-2015, 03:24 PM
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Those M&K race "mufflers" are deafening. I mean excruciatingly loud and not in a good way like megaphones are. I once had a competitor that chased me during a race come up afterwards and tell me how loud they were, and this was in a paddock full of race cars with straight pipes.
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Old 09-03-2015, 03:28 PM
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http://youtu.be/O6wuOUvDnzs

This is the sound I was chasing... Around 3800rpm
Old 09-03-2015, 03:33 PM
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Eric,
Here is a clip of the first start of mine, 3.2 w/SSI's, on a car I sold. I don't know enough about the true sound of the R, but I loved that muffler. I regret having let it go, to the point that I'm having Brian make me another right now for my current car. Good luck with your search!

https://youtu.be/9ymrvSSthlw
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Old 09-03-2015, 04:19 PM
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I have a M491, with B&B headers into GT3 Muffler, with electric cut out for straight exhaust when desired. Can't get much better sound than that!


Old 09-03-2015, 05:07 PM
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Quote:
Originally Posted by SD Swede View Post
Eric,
Here is a clip of the first start of mine, 3.2 w/SSI's, on a car I sold. I don't know enough about the true sound of the R, but I loved that muffler. I regret having let it go, to the point that I'm having Brian make me another right now for my current car. Good luck with your search!

https://youtu.be/9ymrvSSthlw
Sounds great. Was that a stock Carrera motor? (except the exhaust)
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Old 09-03-2015, 09:00 PM
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Quote:
Originally Posted by ninesixfour View Post
Those M&K race "mufflers" are deafening. I mean excruciatingly loud and not in a good way like megaphones are. I once had a competitor that chased me during a race come up afterwards and tell me how loud they were, and this was in a paddock full of race cars with straight pipes.
Yep. I was informally voted "loudest car" at a DE once when I was running these. They sound menacing at idle, but at 5-6k rpm they are just plain loud.
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Old 09-04-2015, 04:06 AM
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That isn't even close to an R

Quote:
Originally Posted by rtu0894 View Post
http://youtu.be/O6wuOUvDnzs

This is the sound I was chasing... Around 3800rpm
Completely different! The two separate mufflers, won't get you that sound.
Old 09-04-2015, 10:08 PM
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Not sure you will get the 'R' sound from a 3.2, but sure you can get a good sounding and more importantly, good performing setup.....Having camped close to this car at Classic Lemans, it sounds amazing:

911R rep with 906 motor

Go to 1:45
https://www.youtube.com/watch?v=-bhdzvWbJOg

https://www.youtube.com/watch?v=NnYOrDTVeio


Chris
Old 09-04-2015, 10:27 PM
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See if you can take a ride in a cammed non CIS (carb/efi)3-3.2l with SSI's and an M&K 2/2. It should be close to what you are looking for. The M&K also makes the exact same "wail" as pointed out in post 11 when near a wall or a concrete divider, just like in the vid.
Old 09-05-2015, 04:23 AM
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I use the M&K sport muffler on the street and when I want it loud, swap to megaphones for the track.
Check it out:
https://www.youtube.com/watch?v=9yLhQNRYAXE
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Old 09-07-2015, 11:09 AM
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Quote:
Originally Posted by Steve@Rennsport View Post
If you want that sound, you need to make some big changes which are not inexpensive.

A 906/RSR sounds like that due to camshaft profile, compression ratio, headers and megaphones. Racing exhausts like that work from 5K+ to 8K+ and simply kill power below 4K.
I gotta think a lot of the cool sounds come from the air entering as well as leaving.

That high butterfly or slide throttle business that little wallet guys don't get to play with. :-).
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Old 09-07-2015, 11:42 AM
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